Simultaneous Nadir Overpasses (SNOs) Predictions

Prediction of SNOs between NOAA-20 and TERRA Satellite Orbit:

Table of predicted SNOs for the next 14.0 days since TLE Epoch: 10/31/2025
Index Date (NOAA-20) Time (NOAA-20) Lat,Lon (NOAA-20) SZA (NOAA-20 ) Date (TERRA) Time (TERRA) Lat,Lon (TERRA) SZA (TERRA ) Distance(km) Time Diff (sec)
1 11/02/2025 05:30:06 -74.52, -94.86 90.59 11/02/2025 05:30:36 -74.53, -94.75 90.59 3.73 30
2 11/02/2025 06:20:50 74.41, 72.73 89.31 11/02/2025 06:19:57 74.41, 72.63 89.31 3.19 53
3 11/04/2025 15:01:22 -75.22, 120.41 89.07 11/04/2025 15:02:27 -75.10, 123.58 89.32 91.28 65
4 11/04/2025 15:51:53 74.49, -70.23 90.14 11/04/2025 15:51:57 74.51, -70.19 90.16 2.70 4
5 11/04/2025 16:42:32 -74.26, 97.70 90.11 11/04/2025 16:41:20 -74.32, 97.03 90.02 21.01 72
6 11/07/2025 01:22:55 74.53, 146.91 90.90 11/07/2025 01:23:58 74.54, 146.82 90.90 2.82 63
7 11/07/2025 02:13:38 -74.49, -45.66 89.14 11/07/2025 02:13:18 -74.50, -45.60 89.13 2.14 20
8 11/09/2025 11:44:40 -74.54, 171.47 88.39 11/09/2025 11:45:18 -74.56, 171.47 88.38 2.07 38
9 11/09/2025 12:35:25 74.48, -21.07 91.56 11/09/2025 12:34:38 74.48, -21.04 91.56 0.93 47
10 11/11/2025 22:06:26 74.53,-163.96 92.28 11/11/2025 22:06:36 74.56,-163.91 92.30 2.93 10
11 11/11/2025 22:57:08 -74.44, 3.60 87.81 11/11/2025 22:55:57 -74.47, 3.55 87.78 3.32 71
12 11/14/2025 07:37:28 74.59, 53.13 92.99 11/14/2025 07:38:35 74.61, 53.16 92.99 1.83 67
13 11/14/2025 08:28:10 -74.50,-139.30 87.11 11/14/2025 08:27:56 -74.52,-139.37 87.09 3.31 14

Figure of NOAA-20 and TERRA satellite orbits during SNOs since TLE Epoch: 10/31/2025
SNOs_Map_NOAA-20_TERRA_20251101.jpg

Download SNOs between NOAA-20 and TERRA since TLE EPOCH: 10/31/2025 in txt file.

Historial Predications of SNOs between NOAA-20 and TERRA